150513-58-9Relevant academic research and scientific papers
RING CONTRACTION OF THIA(SELENO)DIAZINE RINGS INTO PYRAZOLES IN THE REACTION OF 3-ARYL-10-METHYL-1H-1,3,4-THIA(SELENO)DIAZINOBENZIMIDAZOLIUM SALTS WITH BASES
Kuz'menko, T. A.,Kuz'menko, V. V.,Kryshtalyuk, O. V.,Pozharskii, A. F.
, p. 1461 - 1467 (2007/10/02)
Reaction of 3-aryl-10-methyl-2H-1,3,4-thiadiazinobenzimidazolium salts with triethylamine led to ring contraction of the thiadiazine ring to a pyrazole ring with the formation of a mixture of derivatives of 3-mercaptopyrazolobenzimidazole and di(py
